A pair of Sony Core Duo Laptops

X-bit Labs looks at Sony's update to their S series, two models bearing the moniker SZ. Sporting various features, like Stamina mode, which disables the Go 7400, and runs the laptop off of the integrated Intel video, and a button to reduce CPU speed while it is running.

"Today we are going to look at two Sony VAIO models from the SZ series: VAIO VGN-SZ1HRP/B and VAIO

VGN-SZ1XRP/C, which have come as a replacement to the older S series. These two models resemble one

another visually, but there is a price difference of almost $500 US between them. In this review we

are going to find out how the similar appearance conceals great differences in the 'tempers' of these